Dark gray botryoidal native arsenic surface with tarnish from Peru.
Full specimen nodule of gray botryoidal native arsenic from Peru.
Close-up view of dark gray botryoidal native arsenic from Peru.

Arsenic

Arsenic – As
Elements: Arsenic
Class: Native Elements
Crystal System: Hexagonal
Hardness: 3.5
Fluorite
Talc (1)Diamond (10)
Softer than glass. A steel knife scratches it.
Origin: Quiruvilca Mine, Santiago de Chuco Province, La Libertad – Peru
Did you know?

Arsenic was known as both the poison of kings and the king of poisons. Nearly tasteless once prepared, it slipped unnoticed into royal cups so often that it earned the name inheritance powder, for how quickly it could carry a fortune to the next heir.

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